Patents by Inventor Eero A. Irpola

Eero A. Irpola has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method of obtaining an even moisture profile in a cylinder drier and a means for carrying out the method
    Patent number: 4192080
    Abstract: A method of improving the drying characteristics of a cylinder drying section of a paper or a cardboard machine so that an essentially even transverse moisture profile of the dried paper or cardboard web is achieved by this drier comprises coating the rim areas of the outer jacket surface of at least some of the drying cylinders with a heat-insulating foil.
    Type: Grant
    Filed: January 12, 1978
    Date of Patent: March 11, 1980
    Inventor: Eero A. Irpola